/Engine/Plugins/Developer/Concert/ConcertMain/Source/ConcertTransport/Public/ConcertTransportMessages.h
Base class for all message data sent through concert
[USTRUCT](Programming/UnrealArchitecture/Reference/Structs)() struct FConcertMessageData
uint16
ChannelId
ID of the channel this message was sent from
FGuid
ConcertEndpointId
ID of the Endpoint this was sent from
FGuid
MessageId
ID of the message
uint16
MessageOrderIndex
Order index of the message (for ordering reliable messages, used when ChannelId != UnreliableChannelId)